Abstract
We report measurements of the nuclear magnetization of submonolayer liquid 3 He films adsorbed on a graphite substrate (Papyex) preplated by a monolayer of 4 He. In the submilliKelvin temperature range we observe a substantial enhancement of the nuclear magnetization with respect to the degenerate Fermi Liquid value. The unusual temperature dependence of this new contribution to the liquid 3 He film magnetization agrees well with that expected from the theory of weak disorder in two-dimensional (2D) correlated Fermion systems. The effects of disorder and reduced dimensionality suppress the superfluid transition at least to below 180 μK.
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Bäuerle, C., Bunkov, Y.M., Chen, A. et al. Ultra-Low Temperature Magnetic Properties of Liquid 3He Films. Journal of Low Temperature Physics 110, 333–338 (1998). https://doi.org/10.1023/A:1022540901706
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DOI: https://doi.org/10.1023/A:1022540901706